:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--bg-color:#0f172a;--text-primary:#f1f5f9;--text-secondary:#94a3b8;--border-color:#334155;--btn-bg:#1e293b;--btn-hover:#334155;--accent-color:#0d9488;--accent-hover:#115e59}body{background-color:var(--bg-color);color:var(--text-primary);-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.container{box-sizing:border-box;max-width:600px;min-height:100vh;margin:0 auto;padding:24px}.center-content{flex-direction:column;justify-content:center;align-items:center;display:flex}h1{letter-spacing:-.5px;margin-bottom:8px;font-size:24px;font-weight:600}h2{letter-spacing:-.3px;font-size:20px;font-weight:600}h3{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;font-size:14px;font-weight:500}.subtitle{text-align:center;color:var(--text-secondary);margin-bottom:32px;font-size:14px;line-height:1.5}.pin-display{gap:16px;margin-bottom:32px;display:flex}.pin-dot{border:1px solid var(--border-color);background-color:#0000;border-radius:50%;width:14px;height:14px;transition:all .15s}.pin-dot.filled{background-color:var(--accent-color);border-color:var(--accent-color)}.pin-pad{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.pin-btn{border:1px solid var(--border-color);background-color:var(--btn-bg);width:72px;height:72px;color:var(--text-primary);cursor:pointer;border-radius:50%;font-size:20px;font-weight:500;transition:background .15s,border-color .15s}.pin-btn:hover{background-color:var(--btn-hover);border-color:var(--text-secondary)}.action-btn{background-color:var(--accent-color);color:#fff;border:none;font-size:14px;font-weight:600}.action-btn:hover{background-color:var(--accent-hover)}.home-header{border-bottom:1px solid var(--border-color);justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;display:flex}.lock-btn{color:#ef4444;cursor:pointer;background-color:#0000;border:1px solid #ef4444;border-radius:6px;padding:8px 14px;font-size:13px;font-weight:500;transition:background .15s}.lock-btn:hover{background-color:#ef44441a}.topic-group{margin-bottom:24px}.topic-group h3{border-bottom:1px solid var(--border-color);margin-bottom:12px;padding-bottom:8px}.topic-grid{flex-direction:column;gap:8px;display:flex}.topic-btn{text-align:left;background:var(--btn-bg);width:100%;color:var(--text-primary);border:1px solid var(--border-color);cursor:pointer;border-radius:8px;padding:16px;font-size:15px;transition:background .15s,border-color .15s}.topic-btn:hover{background-color:var(--btn-hover);border-color:var(--text-secondary)}.chat-container{flex-direction:column;height:100vh;padding:0;display:flex}.chat-header{background:var(--bg-color);border-bottom:1px solid var(--border-color);align-items:center;gap:16px;padding:16px;display:flex}.back-btn{cursor:pointer;color:var(--text-secondary);background:0 0;border:none;font-size:15px;transition:color .15s}.back-btn:hover{color:var(--text-primary)}.chat-window{background-color:var(--bg-color);flex:1;padding:24px;overflow-y:auto}.system-msg{background:var(--btn-bg);color:var(--text-secondary);border:1px solid var(--border-color);text-align:center;border-radius:8px;padding:16px;font-size:14px;line-height:1.5}.chat-input-area{background:var(--bg-color);border-top:1px solid var(--border-color);padding:16px;display:flex}.chat-input{background-color:var(--btn-bg);border:1px solid var(--border-color);color:var(--text-primary);border-radius:6px;flex:1;margin-right:12px;padding:12px 16px;font-size:15px}.chat-input:focus{border-color:var(--text-secondary);outline:none}.send-btn{background:var(--accent-color);color:#fff;cursor:pointer;border:none;border-radius:6px;padding:0 20px;font-weight:500}.send-btn:hover:not(:disabled){background:var(--accent-hover)}.send-btn:disabled{background:var(--btn-bg);color:var(--text-secondary);border:1px solid var(--border-color);cursor:not-allowed}